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 ###Instrução: Qual é o Proprietário, quando Concluído for menor que 15, quando Treinador for "Steve Asmussen" e quando Cavalo for "Z Fortune"?
 ###Tabelas: CREATE TABLE broadcast (broadcast_id AUTO_INCREMENT PRIMARY KEY, Call sign VARCHAR, Analog channel VARCHAR, Digital channel VARCHAR, Virtual channel VARCHAR, Network VARCHAR, Station Ownership VARCHAR) CREATE TABLE 2011_classic_superbike_practice_times_and_leaderboard (2011_classic_superbike_practice_times_and_leaderboard_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Sat 20 Aug VARCHAR, Mon 22 Aug VARCHAR, Tues 23 Aug VARCHAR, Wed 24 Aug VARCHAR, Thurs 25 Aug VARCHAR, Fri 26 Aug VARCHAR, Sat 27 Aug VARCHAR, Mon 29 Aug VARCHAR, Wed 31 Aug VARCHAR) CREATE TABLE 1832–1885 (1832–1885_id AUTO_INCREMENT PRIMARY KEY, Election INT, First member VARCHAR, First party VARCHAR, Second member VARCHAR, Second party VARCHAR, Third member VARCHAR, Third party VARCHAR) CREATE TABLE sunshine_tour_wins_6 (sunshine_tour_wins_6_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR) CREATE TABLE post_positions (post_positions_id AUTO_INCREMENT PRIMARY KEY, Finished INT, Time/ Behind VARCHAR, Post INT, Horse VARCHAR, Jockey VARCHAR, Trainer VARCHAR, Owner VARCHAR)  
SELECT Owner FROM post_positions WHERE Finished < 15 AND Trainer = steve asmussen AND Horse = z fortune